Carregant...
Fitxers
Tipus de document
ArticleVersió
Versió publicadaData de publicació
Tots els drets reservats
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/133355
Hyperon-Nucleon Interactions from Quantum Chromodynamics and the Composition of Dense Nuclear Matter
Títol de la revista
Director/Tutor
ISSN de la revista
Títol del volum
Recurs relacionat
Resum
The low-energy n Σ − interactions determine, in part, the role of the strange quark in dense matter, such as that found in astrophysical environments. The scattering phase shifts for this system are obtained from a numerical evaluation of the QCD path integral using the technique of lattice QCD. Our calculations, performed at a pion mass of m π ∼ 389 MeV in two large lattice volumes and at one lattice spacing, are extrapolated to the physical pion mass using effective field theory. The interactions determined from lattice QCD are consistent with those extracted from hyperon-nucleon experimental data within uncertainties and strengthen model-dependent theoretical arguments that the strange quark is a crucial component of dense nuclear matter.
Matèries
Matèries (anglès)
Citació
Citació
BEANE, Silas r., CHANG, Emmanuel, COHEN, S. d., DETMOLD, William, LIN, H. w., LUU, Thomas c., ORGINOS, Kostas, PARREÑO GARCÍA, Assumpta, SAVAGE, Martin j., WALKER-LOUD, André, NPLQCD Collaboration. Hyperon-Nucleon Interactions from Quantum Chromodynamics and the Composition of Dense Nuclear Matter. _Physical Review Letters_. 2012. Vol. 109, núm. 17, pàgs. 172001. [consulta: 8 de gener de 2026]. ISSN: 0031-9007. [Disponible a: https://hdl.handle.net/2445/133355]